PHP实现微信提现（企业付款到零钱）(2)

define('PLUGIN_PATH', __DIR__ . '/plugins/');

/**
   * 将一个数组转换为 XML 结构的字符串
   * @param array $arr 要转换的数组
   * @param int $level 节点层级, 1 为 Root.
   * @return string XML 结构的字符串
   */
  function array2xml($arr, $level = 1) {
   $s = $level == 1 ? "<xml>" : '';
   foreach($arr as $tagname => $value) {
   if (is_numeric($tagname)) {
    $tagname = $value['TagName'];
    unset($value['TagName']);
   }
   if(!is_array($value)) {
    $s .= "<{$tagname}>".(!is_numeric($value) ? '<![CDATA[' : '').$value.(!is_numeric($value) ? ']]>' : '')."</{$tagname}>";
   } else {
    $s .= "<{$tagname}>" . $this->array2xml($value, $level + 1)."</{$tagname}>";
   }
   }
   $s = preg_replace("/([\x01-\x08\x0b-\x0c\x0e-\x1f])+/", ' ', $s);
   return $level == 1 ? $s."</xml>" : $s;
  }
  
  function http_post($url, $param, $wxchat) {
   $oCurl = curl_init();
   if (stripos($url, "https://") !== FALSE) {
   curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
   curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);
   }
   if (is_string($param)) {
   $strPOST = $param;
   } else {
   $aPOST = array();
   foreach ($param as $key => $val) {
    $aPOST[] = $key . "=" . urlencode($val);
   }
   $strPOST = join("&", $aPOST);
   }
   curl_setopt($oCurl, CURLOPT_URL, $url);
   curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
   curl_setopt($oCurl, CURLOPT_POST, true);
   curl_setopt($oCurl, CURLOPT_POSTFIELDS, $strPOST);
   if($wxchat){
   curl_setopt($oCurl,CURLOPT_SSLCERT,$wxchat['api_cert']);
   curl_setopt($oCurl,CURLOPT_SSLKEY,$wxchat['api_key']);
   curl_setopt($oCurl,CURLOPT_CAINFO,$wxchat['api_ca']);
   }
   $sContent = curl_exec($oCurl);
   $aStatus = curl_getinfo($oCurl);
    curl_close($oCurl);
    
   if (intval($aStatus["http_code"]) == 200) {
   return $sContent;
   } else {
   return false;
   }
 }